The company has been producing this model of machine tool (__) 2018.
A: since
B: after
C: for
D: before
A: since
B: after
C: for
D: before
举一反三
- 中国大学MOOC: The company has been producing this model of machine tool ______ 2008.
- That new model of the machine is not likely to go into ________(produce)before 2018.
- Miss Gao has been a teacher _________ 1990. A: before B: after C: since D: in
- That<br/>new model of the machine is not likely to go into ______ before<br/>late 2018. (produce)
- 智慧职教: That new model of the machine is not likely to go into ( )[produce] before late 2018.